Metal: Fine .925 Sterling Silver. Rhodium electroplated. It is not resizable, Stone: Cubic Zirconias, Carat Weight for the Engagement Ring: Approx. 2.50 carats for the center cz and 0.50 carat of brilliant cut cubic zirconias for the band, Carat Weight for the Wedding Band: Approx. 0.60 carat, Weight: 7.9 Gram, Height: It can sit 8mm above your finger, Width of the bands:, 7mm for two bands, It is not resizable. HopeChestJewelry features a beautiful selection of semi-precious jewelry and cz jewelry including cz rings, cubic zirconia earrings, cubic zirconia necklaces, cz engagement rings, cz wedding sets and sterling silver jewelry.